A related set of files composed of separate elements that can be manipulated as a unit. It is an instantiation of a product.

Digital Earth Australia (DEA)

An analysis platform, delivered by Geoscience Australia, which uses spatial data and satellite images to detect physical changes across Australia. DEA prepares these vast volumes of Earth observation data and makes it available to governments and industry for easy use.

For more information, see Geoscience Australia: DEA.

Dynamic range

The range between the maximum and minimum amount of input radiant energy that an instrument can measure.